Color blindness disease caused by a type of nerve cells in the eye that respond to different colours sensitive to irregular work, until a defect or disability. As a result, the eyes are not able to see some color.
Neuron disease caused by a type of color blindness. The iris is a different color sensitivity malfunctions caused a defect or disability. The eyes can not see certain colors have.
Colour blindness caused by nerve cells of some kind. In the iris with a response sensitivity to different colors malfunction there is impaired or disability. Due to the eyes can't see certain colors.